LevelItemDescriptionSchematic drawing of the power house, housing the flywheels, at Penallta Colliery as published on p. 28 of Collieries of Wales: Engineering & Architecture by S. Hughes et alArchiveCWC - RCAHMW Collieries Publication CollectionDateArchive Number6418966
LevelItemDescriptionDrawing of double beam-engine winder at Broakoak Colliery as published on p. 81 of Collieries of Wales: Engineering & Architecture by S. Hughes et alArchiveCWC - RCAHMW Collieries Publication CollectionDateArchive Number6418969
LevelItemDescriptionTransparent drawing of Taff Merthyr Colliery with indentification of principle surface features. Partial draft of CWC/01/01/14, which is published on p. 11 of Collieries of Wales: Engineering and Architecture by S. Hughes et alArchiveCWC - RCAHMW Collieries Publication CollectionDateArchive Number6418918
LevelItemDescriptionMeasured drawing of the winding house at Wynnstay Colliery. As published on p. 172 of Collieries of Wales: Engineering & Architecture by S. Hughes et alArchiveCWC - RCAHMW Collieries Publication CollectionDateArchive Number6418981
LevelItemDescriptionFloor plan of the bath-house at Deep Navigation Colliery as published on p. 143 of Collieries of Wales: Engineering & Architecture by S. Hughes et alArchiveCWC - RCAHMW Collieries Publication CollectionDateArchive Number6418972
LevelItemDescriptionPermatrace of Taff Merthyr Colliery with indentification of principle surface features and schematic of underground features showing typical method of Longwall coal working. As published on p. 11 of Collieries of Wales: Engineering and Architecture by S. Hughes et alArchiveCWC - RCAHMW Collieries Publication CollectionDateArchive Number6418919
LevelItemDescriptionPermatrace map of North Western Europe incl. UK, with arrows, probably depicting the distribution of product from Welsh colleriesArchiveCWC - RCAHMW Collieries Publication CollectionDateArchive Number6418977